Introduction

With the rapid advancement of technology, touch interactive technologies are showing great potential in advertising, entertainment, and education sectors. Among these, large screen touch interactive LiDAR technology stands out for its novelty and immersive experience. This article will explore the application and principles of this innovative technology.

Principles of Large Screen Touch Interactive LiDAR

Basic Working Principle

The primary components of mainstream interactive projection games include “LiDAR + TUIO + Unity.” The hardware mainly employs a two-dimensional single-line rotating scanning interactive LiDAR. This LiDAR uses advanced infrared capture technology for touch detection, creating an invisible multi-touch wall parallel to the display screen, unlike traditional touch devices that rely on the touch surface. The data scanned by the LiDAR is transmitted to Unity to achieve interactive effects.

Role of TUIO

TUIO (Tangible User Interface Object) is a protocol interface that allows the transmission of abstract descriptions on interactive surfaces, such as the state of touch and contact objects. Essentially, TUIO acts as a universal language that communicates between LiDAR and Unity. In simple terms, in large screen interactions, LiDAR is responsible for scanning data, TUIO translates it into a language that Unity can understand, and Unity implements the interaction.

LiDAR in the System

The core position detection sensor in this solution is LiDAR, which can interface with Unity3d, TUIO, and C#SDK. It features network transmission, hot-swappable, heartbeat, and auto-reconnect functionalities. These capabilities help the integrated system convert monitoring points into coordinate data through the LiDAR detection area, realizing various mouse events and enabling interactive entertainment activities such as wall projection interaction, floor projection interaction, glass walkways, scenic spots, children’s entertainment interaction, and ball smashing.

Features of the Solution

1. Novel Form and Strong Sense of Technology: The interactive experience provided by LiDAR is futuristic and captivating, making it highly attractive to users.
2. Immersive Participation with Excellent Experience: Users can engage naturally without the dependency on traditional touch surfaces, enhancing the overall interactive experience.
3. Multi-point Touch for Multiple Users: The system supports multi-touch functionality, allowing multiple users to interact simultaneously.
4. High Detection Frequency: The LiDAR detects at a frequency of up to 18,000 times per second, ensuring precise and responsive interactions.
5. High Refresh Rate for Instant Feedback: The system’s high refresh rate provides immediate feedback, essential for a smooth interactive experience.
6. Long-Distance Connectivity: With a connection distance of up to 50 meters via Ethernet, the system offers flexible installation options.

Applications

The large screen touch interactive LiDAR technology can be applied in various fields, including:

• Advertising: Creating engaging and interactive advertisements that capture user attention.
• Entertainment: Enhancing gaming experiences with interactive projection games and activities.
• Education: Providing interactive learning environments that engage students more effectively.
• Tourism: Interactive displays in museums, exhibitions, and scenic spots that offer informative and entertaining experiences.
• Retail: Interactive storefronts and in-store displays that attract and engage customers.

Conclusion

Large screen touch interactive LiDAR technology represents a significant advancement in interactive systems, providing a more natural, engaging, and immersive experience for users. Its application across various sectors highlights its versatility and potential for transforming the way we interact with digital content. As the technology continues to evolve, we can expect even more innovative and captivating interactive solutions to emerge.